Silicone earmuff



FIG. 1 is a perspective view of a silicone earmuff showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a cross sectional view thereof, taken along line 8-8 in FIG. 2; and,

FIG. 9 is a cross sectional view thereof, taken along line 9-9 in FIG. 2.

The broken lines shown in the drawings represent portions of the silicone earmuff that form no part of the claimed design. 

CLAIM The ornamental design for a silicone earmuff, as shown and described. 